Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932451 | Discharge device | Yohei Ishigami, Takafumi Omori | 2021-10-05 |
| D925480 | Electrostatic atomized water particles generating module | Jumpei Oe, Youhei Ishigami, Kana Shimizu, Takafumi Omori, Takayuki Nakada | 2021-07-20 |